9 guides in this track

System Design

Architecture breakdowns for SDE3 & Staff-level interviews — real trade-offs, real diagrams, whiteboard-ready.

Designing TikTok : A System Design Guide for SDE3 & Staff Software Engineer Interviews System Design

Designing TikTok : A System Design Guide for SDE3 & Staff Software Engineer Interviews

Designing TikTok : A System Design Guide. “TikTok isn’t just a video streaming application. It’s one of the world’s largest recommendation engines…

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How to Design a URL Shortener Like TinyURL — Step-by-Step for System Design Interviews System Design

How to Design a URL Shortener Like TinyURL — Step-by-Step for System Design Interviews

A few weeks ago, a friend of mine — three years into his backend career, preparing hard for an SDE role at…

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Payment Processing Systems: A Complete Architect’s Guide System Design

Payment Processing Systems: A Complete Architect’s Guide

Payment Processing Systems: From a user clicking “Buy” to funds settling in a merchant’s account — a deep dive into every layer…

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Demystifying What is an IP Addresses: Your Essential Guide for System Design Interviews System Design

Demystifying What is an IP Addresses: Your Essential Guide for System Design Interviews

An IP address (Internet Protocol Address) is a unique numerical identifier assigned to every device connected to a network. It allows devices…

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OSI Model Explained: The 7 Layers of Network Communication System Design

OSI Model Explained: The 7 Layers of Network Communication

The OSI (Open Systems Interconnection) Model is a conceptual framework that defines how two systems communicate through a layered architecture, where each…

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TCP/IP Protocol Stack in System Design: The Foundation of Network Communication System Design

TCP/IP Protocol Stack in System Design: The Foundation of Network Communication

In modern system design, applications are no longer confined to a single server.Microservices, distributed databases, cloud APIs, and millions of connected clients…

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Reliability in System Design: Building Systems That Never Let You Down System Design

Reliability in System Design: Building Systems That Never Let You Down

When we talk about great systems  whether it’s Netflix streaming billions of hours of video, or Stripe processing millions of payments —…

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System Availability in System Design: A Complete Guide System Design

System Availability in System Design: A Complete Guide

Introduction – Why Availability Matters Imagine your favourite shopping site goes down during a big sale or a multiplayer game server crashes…

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Understanding Vertical vs Horizontal Scaling in System Design System Design

Understanding Vertical vs Horizontal Scaling in System Design

Scaling in System Design: Scaling refers to a system’s ability to handle increased load (more requests, more users, more data) by adjusting…

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